<template>
  <transition name='move'>
    <div class="food" ref='food' v-if='showFlag'>
      <div class='food-content'>
        <div class='image-header'>
          <img :src='food.image'>
          <div class='back' @click='showFlag=false'>
            <i class='icon-arrow_lift'></i>
          </div>
        </div>
        <div class='content'>
          <h1 class='title'>{{food.name}}</h1>
          <div class='detail'>
            <span class='sell-count'>月售{{food.sellCount}}份</span>
            <span class='rating'>好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">¥{{food.price}}</span><span
            class="old"
            v-show="food.oldPrice">¥{{food.oldPrice}}</span>
          </div>

          <div class='cartcontrol-wrapper'>
            <cartcontrol :food='food'></cartcontrol>
          </div>
          <transition name='fade'>
            <div
              class='buy'
              v-show='!food.count||food.count===0' @click.stop.prevent='addFirst'>
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show='food.info'></split>
        <div class='info' v-show='food.info'>
          <h1 class='title'>商品信息</h1>
          <p class='content'>{{food.info}}</p>
        </div>
        <split></split>
        <div class='rating'>
          <h1 class='title'>用户评价</h1>
          <ratingselect
            :select-type.sync='selectType'
            :only-content.sync='onlyContent'
            :desc='desc'
            :ratings='food.ratings'></ratingselect>
          <div class='rating-wrapper'>
            <ul v-show='food.ratings && food.ratings.length>0'>
              <li
                v-show='needShow(rating.rateType,rating.text)'
                class='rating-item'
                v-for="(rating,index) in food.ratings" :key="index">
                <div class='user'>
                  <span class='name'>{{rating.username}}</span>
                  <img class='avatar' :src='rating.avatar' width='12' height='12'>
                </div>
                <div class='time'>{{rating.rateTime | formatDate}}</div>
                <p class='text'>
                  <span
                    :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
                </p>
              </li>
            </ul>
            <div class='no-rating' v-show='!food.ratings||food.ratings.length === 0'>暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
  </div>
</template>

<script>
import BScroll from 'better-scroll'
import cartcontrol from '@/components/cartcontrol/cartcontrol'
import split from '@/components/split/split'
import ratingselect from '@/components/ratingselect/ratingselect'

import {formatDate} from '@/common/js/date.js'

const POSITIVE = 0
const NEGATIVE = 1
const ALL = 2
export default {
  name: '',
  components: {
    cartcontrol,
    split,
    ratingselect,
  },
  data() {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: true,
      desc: {
        all: '全部',
        positive: '满意',
        negative: '吐槽',
      },
    }
  },
  props: {
    food: {
      type: Object,
    },
  },
  watch: {
    selectType: function (val, oldVal) {
      console.log(val)
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    onlyContent: function (val, oldVal) {
      console.log(val)
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
  },
  methods: {
    show() {
      this.selectType = ALL
      this.onlyContent = true
      this.showFlag = true
      this.$nextTick(() => {
        this.scroll = new BScroll(this.$refs.food, {
          click: true,
        })
        /*if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.food, {
            click: true,
          })
        } else {
          this.scroll.refresh()
        }*/
      })
    },
    addFirst(event) {
      this.$set(this.food, 'count', 1)
      this.$emit('addCart', event.target)
    },
    needShow(type, text) {
      if (this.onlyContent && !text) {
        return false
      }
      if (this.selectType === ALL) {
        return true
      } else {
        return type === this.selectType
      }

    }
  },

  computed: {},
  filters: {
    formatDate(time) {
      let date = new Date(time)
      return formatDate(date,'yyyy-MM-dd hh:mm')
    }
  },
  created() {
  },

}
</script>

<style lang="stylus" scoped>
  .food
    position fixed
    left 0
    top 0
    width 100%
    bottom 48px
    z-index 30
    background white
    transition all 0.5s linear
    overflow hidden
    &.move-enter, &.move-leave-to
      transition all 0.5s linear
      transform: translate3d(100%, 0, 0)
    .image-header
      position relative
      width 100%
      height 0
      padding-top 100%
      img
        position absolute
        top 0
        left 0
        width 100%
        height 100%
      .back
        position absolute
        top 10px
        left 0
        .icon-arrow_lift
          display block
          font-size 20px
          color white
          padding 10px
    .content
      padding 18px 18px
      position relative
      .title
        font-size 14px
        line-height 14px
        color black
        font-weight 700
      .detail
        margin-top 8px
        font-size 0
        line-height 10px
        .sell-count
          display inline-block
          vertical-align top
          font-size 10px
          color rgb(147, 153, 159)
        .rating
          display inline-block
          vertical-align top
          margin-left 12px
          font-size 10px
          color rgb(147, 153, 159)
      .price
        height: 24px
        font-weight: 700
        line-height: 14px
        margin-top 18px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position absolute
        right 12px
        bottom 12px
      .buy
        position absolute
        right 18px
        bottom 18px
        padding 0px 12px
        line-height 24px
        font-size 10px
        background rgb(0, 160, 220)
        color white
        border-radius 24px
        box-sizing border-box
        z-index 10
        &.fade-enter, &.fade-leave-to
          transition all 0.2s
          opacity 0
        &.fade-enter-to, &.fade-leave
          transition all 0.2s
          opacity 1
    .info
      padding 18px
      .title
        font-size 20px
        color black
      .content
        font-size 12px
        font-weight 200
        line-height 24px
        color rgb(77, 87, 93)
        padding 0 8px
        margin-top 6px
    .rating
      padding-top 18px
      .title
        line-height 14px
        font-size 14px
        color black
        margin-left 18px
      .rating-wrapper
        padding 0 18px
        .rating-item
          position relative
          border-1px(rgba(7, 17, 27, 0.1))
          padding 16px 0
          .user
            position absolute
            right 0
            top 16px
            line-height 12px
            font-size 0
            .name
              display inline-block
              vertical-align top
              font-size 10px
              color rgb(147, 153, 159)
              margin-right 6px
            .avatar
              border-radius 50%
          .time
            margin-bottom 6px
            line-height 12px
            font-size 10px
            color rgb(147, 153, 159)
          .text
            line-height 16px
            font-size 12px
            color rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right 4px
              line-height 16px
              font-size 12px
            .icon-thumb_up
              color rgb(0, 160, 220)
            .icon-thumb_down
              color gray
        .no-rating
          padding 16px
          line-height 16px
          font-size 12px
          color rgb(147, 153, 159)
</style>
